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<h1>dox/Filtering/vtkStreamingDemandDrivenPipeline.h</h1><a href="a02366.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: vtkStreamingDemandDrivenPipeline.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment">  All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment">  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment">     PURPOSE.  See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef __vtkStreamingDemandDrivenPipeline_h</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define __vtkStreamingDemandDrivenPipeline_h</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="a02237.html">vtkDemandDrivenPipeline.h</a>"</span>
<a name="l00032"></a>00032 
<a name="l00033"></a>00033 <span class="keyword">class </span><a class="code" href="a00496.html" title="Generates a structured extent from unstructured.">vtkExtentTranslator</a>;
<a name="l00034"></a>00034 <span class="keyword">class </span><a class="code" href="a00874.html" title="Key for double values in vtkInformation.">vtkInformationDoubleKey</a>;
<a name="l00035"></a>00035 <span class="keyword">class </span><a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>;
<a name="l00036"></a>00036 <span class="keyword">class </span><a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>;
<a name="l00037"></a>00037 <span class="keyword">class </span><a class="code" href="a00883.html" title="Key for integer vector values.">vtkInformationIntegerVectorKey</a>;
<a name="l00038"></a>00038 <span class="keyword">class </span><a class="code" href="a00888.html" title="Key for vtkObjectBase values.">vtkInformationObjectBaseKey</a>;
<a name="l00039"></a>00039 <span class="keyword">class </span><a class="code" href="a00892.html" title="Key for string values in vtkInformation.">vtkInformationStringKey</a>;
<a name="l00040"></a>00040 <span class="keyword">class </span><a class="code" href="a00878.html" title="Key for vtkIdType values in vtkInformation.">vtkInformationIdTypeKey</a>;
<a name="l00041"></a>00041 
<a name="l00042"></a><a class="code" href="a01613.html">00042</a> <span class="keyword">class </span><a class="code" href="a02170.html#95ced7977a6b6b1bf9f38bf04e3835b6">VTK_FILTERING_EXPORT</a> <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a> : <span class="keyword">public</span> <a class="code" href="a00407.html" title="Executive supporting on-demand execution.">vtkDemandDrivenPipeline</a>
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keyword">public</span>:
<a name="l00045"></a>00045   <span class="keyword">static</span> <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>* <a class="code" href="a00407.html#51004148eef3cd6f2e7303b352da0e7b">New</a>();
<a name="l00046"></a><a class="code" href="a01613.html#6c818cf486fdd631328b24109da3384f">00046</a>   vtkTypeRevisionMacro(<a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>,<a class="code" href="a00407.html" title="Executive supporting on-demand execution.">vtkDemandDrivenPipeline</a>);
<a name="l00047"></a>00047   <span class="keywordtype">void</span> <a class="code" href="a00407.html#95940cde383a738c64c7afcbe1a3838a">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00048"></a>00048 
<a name="l00050"></a>00050 
<a name="l00052"></a>00052   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00407.html#778dae1fa3fbb15bac914a08360d5cd7">ProcessRequest</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00053"></a>00053                              <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfo,
<a name="l00054"></a>00054                              <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfo);
<a name="l00056"></a>00056 
<a name="l00058"></a>00058 
<a name="l00059"></a>00059   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00407.html#fee58333ed541212db01bf39cbaf784a">Update</a>();
<a name="l00060"></a>00060   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00407.html#fee58333ed541212db01bf39cbaf784a">Update</a>(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00061"></a>00061   <span class="keyword">virtual</span> <span class="keywordtype">int</span> UpdateWholeExtent();
<a name="l00063"></a>00063 
<a name="l00066"></a>00066   <span class="keywordtype">int</span> PropagateUpdateExtent(<span class="keywordtype">int</span> outputPort);
<a name="l00067"></a>00067 
<a name="l00069"></a>00069 
<a name="l00073"></a>00073   <span class="keywordtype">int</span> SetMaximumNumberOfPieces(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">int</span> n);
<a name="l00074"></a>00074   <span class="keywordtype">int</span> SetMaximumNumberOfPieces(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> n);
<a name="l00075"></a>00075   <span class="keywordtype">int</span> GetMaximumNumberOfPieces(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00076"></a>00076   <span class="keywordtype">int</span> GetMaximumNumberOfPieces(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00078"></a>00078 
<a name="l00080"></a>00080 
<a name="l00083"></a>00083   <span class="keywordtype">int</span> SetWholeExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21083c65ff97d39562e6981dc3e2041b09f">extent</a>[6]);
<a name="l00084"></a>00084   <span class="keywordtype">void</span> GetWholeExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21083c65ff97d39562e6981dc3e2041b09f">extent</a>[6]);
<a name="l00085"></a>00085   <span class="keywordtype">int</span>* GetWholeExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00087"></a>00087 
<a name="l00089"></a>00089 
<a name="l00093"></a>00093   <span class="keywordtype">int</span> SetUpdateExtentToWholeExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00094"></a>00094   <span class="keywordtype">int</span> SetUpdateExtentToWholeExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00096"></a>00096   
<a name="l00098"></a>00098 
<a name="l00099"></a>00099   <span class="keywordtype">int</span> SetUpdateExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21083c65ff97d39562e6981dc3e2041b09f">extent</a>[6]);
<a name="l00100"></a>00100   <span class="keywordtype">int</span> SetUpdateExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21083c65ff97d39562e6981dc3e2041b09f">extent</a>[6]);
<a name="l00101"></a>00101   <span class="keywordtype">void</span> GetUpdateExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21083c65ff97d39562e6981dc3e2041b09f">extent</a>[6]);
<a name="l00102"></a>00102   <span class="keywordtype">int</span>* GetUpdateExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00104"></a>00104 
<a name="l00106"></a>00106 
<a name="l00108"></a>00108   <span class="keywordtype">int</span> SetUpdateExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, 
<a name="l00109"></a>00109                       <span class="keywordtype">int</span> piece, <span class="keywordtype">int</span> numPieces, <span class="keywordtype">int</span> ghostLevel);
<a name="l00110"></a>00110   <span class="keywordtype">int</span> SetUpdateExtent(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, 
<a name="l00111"></a>00111                       <span class="keywordtype">int</span> piece, <span class="keywordtype">int</span> numPieces, <span class="keywordtype">int</span> ghostLevel);
<a name="l00112"></a>00112   <span class="keywordtype">int</span> SetUpdatePiece(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> piece);
<a name="l00113"></a>00113   <span class="keywordtype">int</span> GetUpdatePiece(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00114"></a>00114   <span class="keywordtype">int</span> SetUpdateNumberOfPieces(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> n);
<a name="l00115"></a>00115   <span class="keywordtype">int</span> GetUpdateNumberOfPieces(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00116"></a>00116   <span class="keywordtype">int</span> SetUpdateGhostLevel(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">int</span> n);
<a name="l00117"></a>00117   <span class="keywordtype">int</span> GetUpdateGhostLevel(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *);
<a name="l00119"></a>00119 
<a name="l00121"></a>00121 
<a name="l00125"></a><a class="code" href="a01613.html#8bc6b1813634399ee20a034ffd937243">00125</a>   <span class="keywordtype">int</span> SetSplitUpdateExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, 
<a name="l00126"></a>00126                            <span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor,
<a name="l00127"></a>00127                            <span class="keywordtype">int</span> numPieces, 
<a name="l00128"></a>00128                            <span class="keywordtype">int</span> ghostLevel)
<a name="l00129"></a>00129   {
<a name="l00130"></a>00130     <span class="keywordflow">return</span> this-&gt;SetUpdateExtent(port, major+minor, numPieces, ghostLevel);
<a name="l00131"></a>00131   }
<a name="l00133"></a>00133   
<a name="l00134"></a>00134 
<a name="l00136"></a>00136 
<a name="l00137"></a>00137   <span class="keywordtype">int</span> SetUpdateTimeSteps(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> *times, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21042c5d76c3275f5d17bc1b329d83ab003">length</a>);
<a name="l00138"></a>00138   <span class="keywordtype">int</span> SetUpdateTimeSteps(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <span class="keywordtype">double</span> *times, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21042c5d76c3275f5d17bc1b329d83ab003">length</a>);
<a name="l00139"></a>00139   <span class="keywordtype">int</span> SetUpdateTimeStep(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d2107b83992a2109ab18b82ba0228887498e">time</a>);
<a name="l00140"></a>00140   <span class="comment">//void GetUpdateTimeSteps(vtkInformation *, int extent[6]);</span>
<a name="l00142"></a>00142 <span class="comment"></span>
<a name="l00144"></a>00144 
<a name="l00150"></a>00150   <span class="keywordtype">int</span> SetRequestExactExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">int</span> flag);
<a name="l00151"></a>00151   <span class="keywordtype">int</span> GetRequestExactExtent(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00153"></a>00153 
<a name="l00155"></a>00155 
<a name="l00157"></a>00157   <span class="keywordtype">int</span> SetExtentTranslator(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <a class="code" href="a00496.html" title="Generates a structured extent from unstructured.">vtkExtentTranslator</a>* translator);
<a name="l00158"></a>00158   <span class="keywordtype">int</span> SetExtentTranslator(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <a class="code" href="a00496.html" title="Generates a structured extent from unstructured.">vtkExtentTranslator</a>* translator);
<a name="l00159"></a>00159   <a class="code" href="a00496.html" title="Generates a structured extent from unstructured.">vtkExtentTranslator</a>* GetExtentTranslator(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00160"></a>00160   <a class="code" href="a00496.html" title="Generates a structured extent from unstructured.">vtkExtentTranslator</a>* GetExtentTranslator(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *<a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21023da246d4a744e861548382bb79fad81">info</a>);
<a name="l00162"></a>00162 
<a name="l00164"></a>00164 
<a name="l00167"></a>00167   <span class="keywordtype">int</span> SetWholeBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> bb[6]);
<a name="l00168"></a>00168   <span class="keywordtype">void</span> GetWholeBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> bb[6]);
<a name="l00169"></a>00169   <span class="keywordtype">double</span>* GetWholeBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00171"></a>00171 
<a name="l00173"></a>00173 
<a name="l00176"></a>00176   <span class="keywordtype">int</span> SetPieceBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> bb[6]);
<a name="l00177"></a>00177   <span class="keywordtype">void</span> GetPieceBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <span class="keywordtype">double</span> bb[6]);
<a name="l00178"></a>00178   <span class="keywordtype">double</span>* GetPieceBoundingBox(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00180"></a>00180 
<a name="l00182"></a>00182   <span class="keyword">static</span> <a class="code" href="a00891.html" title="Key for pointer to pointer.">vtkInformationRequestKey</a>* REQUEST_UPDATE_EXTENT();
<a name="l00183"></a>00183 
<a name="l00186"></a>00186   <span class="keyword">static</span> <a class="code" href="a00891.html" title="Key for pointer to pointer.">vtkInformationRequestKey</a>* REQUEST_UPDATE_EXTENT_INFORMATION();
<a name="l00187"></a>00187 
<a name="l00190"></a>00190   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* CONTINUE_EXECUTING();
<a name="l00191"></a>00191 
<a name="l00193"></a>00193   <span class="keyword">static</span> <a class="code" href="a00888.html" title="Key for vtkObjectBase values.">vtkInformationObjectBaseKey</a>* EXTENT_TRANSLATOR();
<a name="l00194"></a>00194 
<a name="l00196"></a>00196 
<a name="l00197"></a>00197   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* UPDATE_EXTENT_INITIALIZED();
<a name="l00198"></a>00198   <span class="keyword">static</span> <a class="code" href="a00883.html" title="Key for integer vector values.">vtkInformationIntegerVectorKey</a>* UPDATE_EXTENT();
<a name="l00199"></a>00199   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* UPDATE_PIECE_NUMBER();
<a name="l00200"></a>00200   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* UPDATE_NUMBER_OF_PIECES();
<a name="l00201"></a>00201   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* UPDATE_NUMBER_OF_GHOST_LEVELS();
<a name="l00203"></a>00203 
<a name="l00206"></a>00206   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* UPDATE_EXTENT_TRANSLATED();
<a name="l00207"></a>00207 
<a name="l00209"></a>00209   <span class="keyword">static</span> <a class="code" href="a00883.html" title="Key for integer vector values.">vtkInformationIntegerVectorKey</a>* WHOLE_EXTENT();
<a name="l00210"></a>00210 
<a name="l00213"></a>00213   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* MAXIMUM_NUMBER_OF_PIECES();
<a name="l00214"></a>00214 
<a name="l00217"></a>00217   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* WHOLE_BOUNDING_BOX();
<a name="l00218"></a>00218 
<a name="l00221"></a>00221   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* PIECE_BOUNDING_BOX();
<a name="l00222"></a>00222 
<a name="l00224"></a>00224   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* EXACT_EXTENT();
<a name="l00225"></a>00225 
<a name="l00227"></a>00227   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* TIME_STEPS();
<a name="l00228"></a>00228 
<a name="l00230"></a>00230   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* TIME_RANGE();
<a name="l00231"></a>00231 
<a name="l00233"></a>00233   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* UPDATE_TIME_STEPS();
<a name="l00234"></a>00234 
<a name="l00236"></a>00236   <span class="keyword">static</span> <a class="code" href="a00874.html" title="Key for double values in vtkInformation.">vtkInformationDoubleKey</a>* PRIORITY();
<a name="l00237"></a>00237 
<a name="l00240"></a>00240   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* REMOVE_ATTRIBUTE_INFORMATION();
<a name="l00241"></a>00241 
<a name="l00248"></a>00248   <span class="comment">// Key to allow a reader to advertise that it supports a fast-path</span>
<a name="l00249"></a>00249   <span class="comment">// for reading data over time.</span>
<a name="l00250"></a>00250   <span class="keyword">static</span> <a class="code" href="a00881.html" title="Key for integer values in vtkInformation.">vtkInformationIntegerKey</a>* FAST_PATH_FOR_TEMPORAL_DATA();
<a name="l00251"></a>00251   <span class="comment">// The type of data being requested.</span>
<a name="l00252"></a>00252   <span class="comment">// Possible values: POINT, CELL, EDGE, FACE</span>
<a name="l00253"></a>00253   <span class="keyword">static</span> <a class="code" href="a00892.html" title="Key for string values in vtkInformation.">vtkInformationStringKey</a>* FAST_PATH_OBJECT_TYPE();
<a name="l00254"></a>00254   <span class="comment">// Possible values: INDEX, GLOBAL</span>
<a name="l00255"></a>00255   <span class="keyword">static</span> <a class="code" href="a00892.html" title="Key for string values in vtkInformation.">vtkInformationStringKey</a>* FAST_PATH_ID_TYPE();
<a name="l00256"></a>00256   <span class="comment">// The id (either index or global id) being requested</span>
<a name="l00257"></a>00257   <span class="keyword">static</span> <a class="code" href="a00878.html" title="Key for vtkIdType values in vtkInformation.">vtkInformationIdTypeKey</a>* FAST_PATH_OBJECT_ID();
<a name="l00258"></a>00258 
<a name="l00260"></a>00260 
<a name="l00264"></a><a class="code" href="a01613.html#d7cfd8a7d21552ed112d373468d570ab">00264</a>   <span class="keywordtype">double</span> ComputePriority()
<a name="l00265"></a>00265     {
<a name="l00266"></a>00266       <span class="keywordflow">return</span> this-&gt;ComputePriority(0);
<a name="l00267"></a>00267     }
<a name="l00268"></a>00268   <span class="keyword">virtual</span> <span class="keywordtype">double</span> ComputePriority(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00270"></a>00270 
<a name="l00271"></a>00271 <span class="keyword">protected</span>:
<a name="l00272"></a>00272   <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>();
<a name="l00273"></a>00273   ~<a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>();
<a name="l00274"></a>00274 
<a name="l00276"></a>00276 
<a name="l00279"></a>00279   <span class="keyword">virtual</span> <span class="keywordtype">void</span> ResetUpdateInformation(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00280"></a>00280     <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00281"></a>00281     <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00283"></a>00283 
<a name="l00284"></a>00284   <span class="comment">// Keep track of the update time request corresponding to the</span>
<a name="l00285"></a>00285   <span class="comment">// previous executing. If the previous update request did not</span>
<a name="l00286"></a>00286   <span class="comment">// correspond to an existing time step and the reader chose </span>
<a name="l00287"></a>00287   <span class="comment">// a time step with it's own logic, the data time step will</span>
<a name="l00288"></a>00288   <span class="comment">// be different than the request. If the same time step is</span>
<a name="l00289"></a>00289   <span class="comment">// requested again, there is no need to re-execute the algorithm.</span>
<a name="l00290"></a>00290   <span class="comment">// We know that it does not have this time step.</span>
<a name="l00291"></a>00291   <span class="keyword">static</span> <a class="code" href="a00875.html" title="Key for double vector values.">vtkInformationDoubleVectorKey</a>* PREVIOUS_UPDATE_TIME_STEPS();
<a name="l00292"></a>00292 
<a name="l00293"></a>00293   <span class="comment">// Keep track of the fast path keys corresponding to the </span>
<a name="l00294"></a>00294   <span class="comment">// previous executing. If all key values are the same as their</span>
<a name="l00295"></a>00295   <span class="comment">// counterparts in the previous request, we do not need to re-execute.</span>
<a name="l00296"></a>00296   <span class="keyword">static</span> <a class="code" href="a00878.html" title="Key for vtkIdType values in vtkInformation.">vtkInformationIdTypeKey</a>* PREVIOUS_FAST_PATH_OBJECT_ID();
<a name="l00297"></a>00297   <span class="keyword">static</span> <a class="code" href="a00892.html" title="Key for string values in vtkInformation.">vtkInformationStringKey</a>* PREVIOUS_FAST_PATH_OBJECT_TYPE();
<a name="l00298"></a>00298   <span class="keyword">static</span> <a class="code" href="a00892.html" title="Key for string values in vtkInformation.">vtkInformationStringKey</a>* PREVIOUS_FAST_PATH_ID_TYPE();
<a name="l00299"></a>00299 
<a name="l00300"></a>00300   <span class="comment">// Does the time request correspond to what is in the data?</span>
<a name="l00301"></a>00301   <span class="comment">// Returns 0 if yes, 1 otherwise.</span>
<a name="l00302"></a>00302   <span class="keyword">virtual</span> <span class="keywordtype">int</span> NeedToExecuteBasedOnTime(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* outInfo,
<a name="l00303"></a>00303                                        <a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a>* dataObject);
<a name="l00304"></a>00304 
<a name="l00305"></a>00305   <span class="comment">// If the request contains a fast path key for temporal data, always execute</span>
<a name="l00306"></a>00306   <span class="keyword">virtual</span> <span class="keywordtype">int</span> NeedToExecuteBasedOnFastPathData(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* outInfo);
<a name="l00307"></a>00307 
<a name="l00308"></a>00308   <span class="comment">// Setup default information on the output after the algorithm</span>
<a name="l00309"></a>00309   <span class="comment">// executes information.</span>
<a name="l00310"></a>00310   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00407.html#2b24b32f270de23bd20d59db8d42c30c">ExecuteInformation</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00311"></a>00311                                  <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00312"></a>00312                                  <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00313"></a>00313 
<a name="l00314"></a>00314   <span class="comment">// Copy information for the given request.</span>
<a name="l00315"></a>00315   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00472.html#dee4e2910806414193eb90238355ddea">CopyDefaultInformation</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d2105574e7d2933873a89623dc2457e8ffd8">direction</a>,
<a name="l00316"></a>00316                                       <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00317"></a>00317                                       <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00318"></a>00318 
<a name="l00319"></a>00319   <span class="comment">// Helper to check output information before propagating it to inputs.</span>
<a name="l00320"></a>00320   <span class="keyword">virtual</span> <span class="keywordtype">int</span> VerifyOutputInformation(<span class="keywordtype">int</span> outputPort,
<a name="l00321"></a>00321                                       <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00322"></a>00322                                       <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00323"></a>00323 
<a name="l00324"></a>00324 
<a name="l00325"></a>00325   <span class="comment">// Override this check to account for update extent.</span>
<a name="l00326"></a>00326   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00407.html#cb8226dfb0bb319485cf6bbbff5a9fa0">NeedToExecuteData</a>(<span class="keywordtype">int</span> outputPort,
<a name="l00327"></a>00327                                 <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00328"></a>00328                                 <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00329"></a>00329 
<a name="l00330"></a>00330   <span class="comment">// Override these to handle the continue-executing option.</span>
<a name="l00331"></a>00331   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00407.html#726bd49190f3760769780309e9a5bf09">ExecuteDataStart</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00332"></a>00332                                 <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00333"></a>00333                                 <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00334"></a>00334   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00407.html#8759cbbe4ea730f8e3ddf7d2d4990058">ExecuteDataEnd</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00335"></a>00335                               <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00336"></a>00336                               <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00337"></a>00337 
<a name="l00338"></a>00338   <span class="comment">// Override this to handle cropping and ghost levels.</span>
<a name="l00339"></a>00339   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00407.html#258d7f8918aa4f52c3518fa9e3b5f348">MarkOutputsGenerated</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* request,
<a name="l00340"></a>00340                                     <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>** inInfoVec,
<a name="l00341"></a>00341                                     <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* outInfoVec);
<a name="l00342"></a>00342 
<a name="l00343"></a>00343 
<a name="l00344"></a>00344   <span class="comment">// Remove update/whole extent when resetting pipeline information.</span>
<a name="l00345"></a>00345   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00407.html#30c4fdd31ffa3be121d4afb4108b7609">ResetPipelineInformation</a>(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>*);
<a name="l00346"></a>00346 
<a name="l00347"></a>00347   <span class="comment">// Flag for when an algorithm returns with CONTINUE_EXECUTING in the</span>
<a name="l00348"></a>00348   <span class="comment">// request.</span>
<a name="l00349"></a><a class="code" href="a01613.html#b7a073ed38d36ddd9760ff5868eff019">00349</a>   <span class="keywordtype">int</span> ContinueExecuting;
<a name="l00350"></a>00350 
<a name="l00351"></a><a class="code" href="a01613.html#d6d16f75cfb239664423642d7d79cb3c">00351</a>   <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *UpdateExtentRequest;
<a name="l00352"></a>00352 
<a name="l00353"></a>00353   <span class="comment">// did the most recent PUE do anything ?</span>
<a name="l00354"></a><a class="code" href="a01613.html#081fa602b1d162fba6dfc135d1e8c715">00354</a>   <span class="keywordtype">int</span> LastPropogateUpdateExtentShortCircuited;
<a name="l00355"></a>00355   
<a name="l00356"></a>00356 <span class="keyword">private</span>:
<a name="l00357"></a>00357   <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>(<span class="keyword">const</span> <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00358"></a>00358   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a01613.html" title="Executive supporting partial updates.">vtkStreamingDemandDrivenPipeline</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00359"></a>00359 };
<a name="l00360"></a>00360 
<a name="l00361"></a>00361 <span class="preprocessor">#endif</span>
</pre></div></div>
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